Keller. Aims and options: A thematic approach to writing (2nd ed.).
Chicago Style (17th ed.) CitationKeller. Aims and Options: A Thematic Approach to Writing. 2nd ed. BostonlbHoughton Mifflin componylc1999.
MLA (9th ed.) CitationKeller. Aims and Options: A Thematic Approach to Writing. 2nd ed.
Warning: These citations may not always be 100% accurate.